What Teesing does

Teesing BV is a Dutch privately-held industrial engineering company founded in 1952 and headquartered in Rijswijk, Netherlands. It designs, assembles, and distributes high-quality connectivity solutions for the transportation, control, sealing, distribution, filtration, purification, and measurement of gases and liquids. The product portfolio spans 12+ hardware categories — fittings, valves, tubing, manifolds, filters, purifiers, flowmeters, regulators, quick couplings, test and fill connectors, measuring equipment, and mounting systems — including proprietary and OEM lines such as Serto radial-mounting fittings, Mott purifiers, and WEH hydrogen fueling components. Technical differentiation is anchored in an ISO Class 4 in-house cleanroom, sub-ppb cleanliness capabilities, and pressure-engineering expertise up to 1000+ bar, alongside specialized capabilities for 700-bar hydrogen systems.

Teesing earns revenue through a mix of hardware distribution, custom assembly, leak testing and validation, cleanroom assembly services, engineering design, and purifier regeneration. The company acts as a value-added distributor and integrator for multiple premium OEMs (Parker, Serto, Mott, WEH, Dixon, Rectus, Setra, Digmesa, Exmar), enabling it to combine parts from different manufacturers into customer-specific subassemblies rather than reselling commoditized components. Its go-to-market is enterprise-focused and sales-led, with specialized Sales Engineers, dedicated Customer Care teams, field Account Managers, and a Teesing online portal for ordering, pricing, and order history. End markets include medical and pharmaceutical, semiconductor, alternative fuels and hydrogen, automotive, defense and aerospace, and general industrial customers, with named users such as NXP Semiconductors, DAF Trucks, Thales, Colruyt, and Eco-Runner.

The company maintains wholly-owned offices in the Netherlands (HQ), USA, China, Taiwan, and Singapore (established June 2026 as a Southeast Asia regional hub), and operates with 51-100 employees. Recent strategic moves include the Singapore expansion, ISO 27001 certification (May 2026), active participation at the World Hydrogen Summit 2026, and a 2024 management restructuring that introduced an Executive Board to guide 'ambitious growth.' Ownership remains private and undisclosed, with no parent company, external institutional investors, or M&A transactions referenced in the source material.

Name

Teesing

Legal name

Teesing BV

Website

https://teesing.com

Company type

Private

Founded year

1952

Operating status

Operating

Headcount range

51–100 employees

Short description

Teesing is a Dutch industrial engineering company that designs, assembles, and distributes connectivity solutions for gases and liquids — fittings, valves, purifiers, flowmeters, and hydrogen fueling components — serving semiconductor, pharmaceutical, alternative energy, automotive, and aerospace customers globally.

Ownership category

akta.pro rank

Headquarters

HQ city

Rijswijk

HQ country

Netherlands

HQ region

Europe

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Infrastructure, Operations, Technology or R&D, Marketing or Sales

Revenue model

1. Product Sales: Sale of fittings, valves, tubing, manifolds, filters, purifiers, flowmeters, regulators, quick couplings, test and fill connectors, and measuring equipment for gas and liquid systems
2. Assembly Services: Custom assembly of parts into ready-to-install modules, combining products from different manufacturers for customer-specific applications
3. Testing and Validation: Leak testing services using 16 bar forming gas or 40 bar demineralized water, technical inspections, and pressure drop detection
4. Systems & Engineering: Custom engineering and design services including CAD-based design in 2D and 3D, process and system design, prototype development, and series production
5. Cleanroom Solutions: Product assembly and testing in ISO Class 4 cleanroom with double-packaging according to customer specifications
6. Purifier Regeneration: Regeneration laboratory capable of regenerating 5 purifiers simultaneously

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Teesing is a long-term partner for the development and supply of high-quality assemblies and related services for the transportation, control, sealing, distribution, filtration, purification, and measurement of gases and liquids. The company distributes and integrates branded components — fittings, valves, tubing, manifolds, filters, purifiers, flowmeters, regulators, measuring equipment, quick couplings, and test-and-fill connectors — and complements them with in-house assembly, leak testing, ISO Class 4 cleanroom packaging, custom CAD-based engineering, and purifier regeneration services for sectors including semiconductor, medical/pharmaceutical, automotive, alternative fuels/hydrogen, and general industrial.

Product overview

Teesing delivers high-quality connectivity solutions for the transportation, control, sealing, distribution, filtration, purification, and measurement of gases and liquids. The portfolio is organized around core hardware product lines (Filters, Fittings, Flowmeters, Valves, Regulators, Tubing, Manifolds, Quick Couplings, Measuring Equipment, Mounting Systems, Purifiers, and Test & Fill Connectors) supplemented by specialized Hydrogen Solutions for the alternative energy sector. The offering includes branded sub-products such as Serto Compression Fittings with radial mounting technology, WEH Test & Fill Connectors, and Mott Purifiers. Services including Cleanroom Assembly, Systems & Engineering, Application Advice, and Logistics round out the complete solution portfolio. Teesing operates an ISO class 4 cleanroom for UHP assembly and provides custom engineering capabilities from prototype through series production.

Differentiator

Problem solved

Functional benefit

Quantifiable outcome

• Leak-free connections guaranteed through proper assembly according to manufacturer guidelines
• +4 more outcomes

Named customers11 records

Segments5 records

Ideal customer profiles5 records

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature6 records

Partnerships

Eleven partnerships are on record, tiered core and major.

• WEH (Werner Eisenkrämer)coreTechnology or IntegrationWEH is a key technology partner providing hydrogen refueling components including filling nozzles (TN1, TN5, TN1 H2 High-Flow) and receptacles (TK16 H2, TK17 H2) for 350 bar and 700 bar applications. Teesing distributes WEH products and integrates them into hydrogen fueling solutions.
• Poppe + PotthoffcoreStrategic or Co-development PartnerCollaborative development of integrated on-tank valves for 700 bar hydrogen tanks, enabling increased driving range for vehicles. This is a co-development partnership combining Teesing's connectivity expertise with Poppe + Potthoff's valve technology.
• Tongji University ShanghaicoreStrategic or Co-development PartnerAcademic partner in the development of on-tank valve technology for 700 bar hydrogen tanks, contributing research expertise to the hydrogen mobility sector.
• SertocoreTechnology or IntegrationSerto is a manufacturer of compression fittings, valves, and mounting systems. Teesing distributes Serto products including the unique radial mounting system, stainless steel fittings certified for hydrogen applications up to 350 bar according to EC Regulation No. 79/2009.
• Mott CorporationcoreTechnology or IntegrationMott is a manufacturer of sintered metal filters, purifiers, and specialized filtration products. Teesing distributes Mott products including point-of-use purifiers, micro-bulk purifiers, bulk gas purifiers, and porous metal filtration elements for semiconductor and industrial applications.
• ParkermajorChannel Partner/ Reseller/ DistributorParker is a major manufacturer of fluid and gas handling components. Teesing serves as a distributor of Parker products as part of their comprehensive product portfolio.
• DixonmajorTechnology or IntegrationDixon is a manufacturer of quick couplings for high-pressure applications. Teesing distributes Dixon products for hydraulic and pneumatic quick disconnect couplers serving industrial, offshore, oil and gas, military, mobile, medical, and aerospace applications.
• RectusmajorTechnology or IntegrationRectus manufactures quick couplings for low-pressure applications. Teesing distributes Rectus products primarily for compressed air, gas, and liquid media connections in various industries.
• SetramajorTechnology or IntegrationSetra manufactures pressure transducers, gauges, and related instruments for UHP applications. Teesing distributes Setra products known for high accuracy and reliability in cleanroom and industrial environments.
• DigmesamajorTechnology or IntegrationDigmesa manufactures flow meters engineered for pressures up to 1000 bar with extreme temperature fluctuation tolerance. Teesing distributes Digmesa products for hydrogen applications, utilizing 316L stainless steel, Hastelloy, and H2-compatible alloys.
• ExmarmajorTechnology or IntegrationExmar manufactures cutting ring fittings suitable for applications with aggressive media. Teesing distributes Exmar stainless steel cutting ring fittings as part of their comprehensive fittings portfolio.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• Hy-Lok Corporation: Hy-Lok produces tube fittings, valves, and regulators for high-purity and high-pressure fluid systems serving semiconductor, oil & gas, and research customers. Comparable to Teesing's fittings and valves offering with similar UHP and high-pressure positioning.
• Ham-Let Group: Ham-Let manufactures compression fittings, valves, and connectors for high-purity and high-pressure applications in semiconductor, analytical, and process industries. Directly comparable to Teesing's core fittings and valves portfolio, particularly for UHP gas and hydrogen systems.
• Swagelok: Swagelok designs and manufactures fittings, valves, and fluid system components for high-purity and high-pressure applications across semiconductor, hydrogen, oil & gas, and research. Directly comparable to Teesing's fittings, valves, and tubing business for UHP and alternative-fuel customers.
• Parker Hannifin: Parker Hannifin is a global motion and control technologies manufacturer with extensive fluid handling, hydrogen, and instrumentation portfolios, including quick couplings, valves, and filters that overlap directly with Teesing's offering. Notably, Parker is also a distribution partner of Teesing, illustrating the direct competitive and channel overlap.
• WEH GmbH: WEH designs and manufactures quick connectors, filling nozzles, and receptacles for CNG/H2 refueling, leak testing, and high-pressure applications. Teesing distributes WEH products and integrates them into hydrogen fueling solutions, making WEH a directly comparable peer in H2 connectivity.
• Bürkert: Bürkert manufactures fluid control systems including solenoid valves, process valves, sensors, and mass flow controllers for applications in medical, pharmaceutical, semiconductor, and hydrogen. Directly comparable to Teesing's valves, flowmeters, and assemblies for UHP and process gas applications.

Broad incumbents

• SMC Corporation: SMC is one of the world's largest manufacturers of pneumatic and industrial automation components, including fittings, valves, tubing, and air preparation equipment. A broader incumbent in fluid and gas handling that overlaps with Teesing's pneumatics and industrial applications but at much larger scale.
• Emerson (Automation Solutions / ASCO): Emerson's automation solutions business provides process control valves, regulators, flowmeters, and analytical instrumentation across process industries. A broad incumbent with overlapping offerings in valves, regulators, and measurement comparable to Teesing's components portfolio, but at vastly greater scale.
• Spirax-Sarco Engineering: Spirax-Sarco specializes in steam, fluid handling, and thermal energy management, offering pumps, valves, flowmeters, and controls. A broad incumbent in fluid handling comparable to Teesing's flow measurement and process fluid applications, though focused more on steam/thermal than UHP gases.
• Festo: Festo supplies pneumatic and electric automation technology, including fittings, valves, tubing, and process automation components. A broad incumbent comparable to Teesing's industrial and pneumatics business, with a much larger global footprint and broader portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/TeesingBV
• LinkedInlinkedin.com/company/teesing

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Teesing